diff options
Diffstat (limited to 'baremetal/112read-byte.subx')
| -rw-r--r-- | baremetal/112read-byte.subx | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/baremetal/112read-byte.subx b/baremetal/112read-byte.subx index e8731044..73ea3c87 100644 --- a/baremetal/112read-byte.subx +++ b/baremetal/112read-byte.subx @@ -1,3 +1,7 @@ +# instruction effective address register displacement immediate +# . op subop mod rm32 base index scale r32 +# . 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes + # TODO: read-byte-buffered # Return next byte value in eax, with top 3 bytes cleared. |